{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421346731",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x47d7114252876d504c4f6a331893cf08040a200c41809e4f4bb2eccc7f3e76d3",
    "signature": "0x869ad2ca4bffb4dccdddcb3cc772ef20a159b5bdfad29e1ab6f8d9f726f538fb2bbd65566a4b1824da26cc9a7a8282851804eff6151c965ad126ef4ee094b3ec1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}